Lodge Premium Quality Cookware combine the best of cast iron and porcelain enamel for aesthetic feel with its precise castings and tight-fitting lids. Thus, it absorb and retain heat extremely well. The heat retention of cast iron and the benefits of porcelain combine evenly heating the bottom and sidewalls of the vessel and across the lid to perform many cooking techniques, including sautéing, frying, searing, braising, stewing, roasting, broiling and baking.Bake or broil in any conventional or convection oven. Stainless knobs and cookware are oven safe to 500°F and there are no exposed cast iron on your enameled cookware. The black cooking surfaces, pot rims and lid rims are matte porcelain.